package com.guo.learningprogresstracker.exception; import org.junit.jupiter.api.Test; import static org.junit.jupiter.api.Assertions.assertEquals; /** * AppException 构造与消息测试。 */ class AppExceptionTest { @Test void constructor_shouldKeepMessage() { AppException ex = new AppException("数据库连接失败"); assertEquals("数据库连接失败", ex.getMessage()); } }